Home / 31,792.78-47,660.82-12,057.94

Finding the Fourth Proportional to 31,792.78, 47,660.82 and 12,057.94

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Solution

The fourth proportional to 31,792.78, 47,660.82 and 12,057.94 is: 18,076.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,792.78 : 47,660.82 = 12,057.94 : x
  2. Step 2: Convert to fraction form
    31,792.78/47,660.82 = 12,057.94/x
  3. Step 3: Cross multiply
    31,792.78x = 47,660.82 × 12,057.94
  4. Step 4: Simplify right side
    31,792.78x = 574,691,307.91
  5. Step 5: Solve for x
    x = 574,691,307.91/31,792.78
  6. Step 6: Final answer
    x = 18,076.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.